Provided always that in case any person to whom for the time being the said title of Baronet shall have descended shall, for the space of one whole year after he shall by virtue of this Act become entitled to the dividends, interest and income of the said stocks, funds and securities, or to the possession or receipt of the rents and profits of the said hereditaments, or being then under age is shall for the space of one whole year after he shall attain the age of twenty one years, refuse or neglect to use the names, of "Dinshaw Manockjee Petit" as hereinbefore enacted, or in case any such person having so used those names shall, for the space of six calendar months consecutively during his natural 1ife, discontinue so to use such names, then, in any or either of the said cases the estate or interest in the said trust funds and premises of the person who shall so refuse or neglect to use or having used shall so discontinue to use the said names of "Dinshaw Manockjee Petit" shall during the remainder of his respective natural life be suspended; and that, during any and every such suspension, the dividends, interest and income of the said stocks, funds and securities, and the possession and actual occupation and also the rents and profits of the said hereditaments shall devolve and belong, to the person who, as heir male of the body of the said Framjee Dinshaw Petit or the said Sir Dinshaw, Manockjee Petit, as the case may be, would have succeeded to and been in the enjoyment of the title of Baronet conferred by the said Letters Patent in case the person so refusing or neglecting to use or discontinuing to use the said names of "Dinshaw Manockjee Petit" had departed this life; but if there should be no such heir male, then to the person or persons who would be entitled to the same in case there had then been a total failure of issue male of the said Sir Dinshaw Manockjee Peti